IndividualActive
Diem Nguyen, PHARM.D.
NPI 1922321827 · Pharmacist · Antioch, CA
Diem Nguyen, PHARM.D. is a Pharmacist provider in Antioch, CA (NPI 1922321827).
Provider details
- NPI number
- 1922321827
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 59967 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
4501 Sand Creek Rd
Antioch, CA 94531-8687
Phone: (925) 813-7280
Approximate (ZIP-level) locationGet directions
Mailing address
2374 Fieldgate Dr
Pittsburg, CA 94565-7360
Registry dates
- Enumerated
- 2010-03-05
- Last updated
- 2010-03-05
Frequently asked questions
- What is Diem Nguyen's NPI number?
- Diem Nguyen's National Provider Identifier (NPI) is 1922321827, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diem Nguyen's specialty?
- Diem Nguyen is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Diem Nguyen located?
- Diem Nguyen's practice location on file with NPPES is 4501 Sand Creek Rd, Antioch, CA 94531-8687.
- What is Diem Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Diem Nguyen is (925) 813-7280.
- Is Diem Nguyen's NPI active?
- Yes — Diem Nguyen's NPI (1922321827) is active in the NPPES registry as of the last update on 2010-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.